1 The meniscus is a rubbery C-shaped disc that cushions your knee and acts as a shock-absorber. 2  It also helps spread weight evenly so your bones donât rub together. 3  Tears to the meniscus are often caused by sudden twisting or other things you might do while playing sports.
Ayatollah Khomeini died in 1989 just months after firing his heir apparent, leaving no designated replacement. With the help of Rafsanjani, Khamenei emerged as the default choice to become the new supreme leader.
The remaining 52 captives remained at the mercy of the Ayatollah for the next 14 months. President Jimmy Carter was unable to diplomatically resolve the crisis, and on April 24, 1980, he ordered a disastrous rescue mission in which eight U.S. military personnel were killed and no hostages rescued. Three months later, the former shah died of cancer in Egypt, but the crisis continued.